Location History:
- Whitinsville, MA (US) (1997 - 2001)
- Goodman, MO (US) (2011)
- Princeton, MA (US) (2018)
Company Filing History:
6 out of 15 
1 out of 3 Years Active: 1997-2018
Title: James D McCollum: A Pioneer in Fault-Tolerant Computer Systems
Introduction
James D McCollum, hailing from Whitinsville, MA, is a distinguished inventor with a remarkable portfolio featuring eight patents. His contributions primarily lie in the realm of fault-tolerant computing systems, demonstrating his foresight and innovation in enhancing technological reliability.
Latest Patents
One of McCollum's notable inventions is a system designed for controlling the operating state of a fault-tolerant computer system. This system comprises two virtual machines (VMs), each operating on a distinct host device and interconnected through a network with various I/O devices. It meticulously monitors the health of operational characteristics linked to each VM. In scenarios where both VMs require downgrading but the system cannot discern which VM to downgrade—especially amidst an imbalance in monitored operational characteristics—the system can postpone the downgrade for a specified period. During this time, it continues to evaluate the operational characteristic in question. If the imbalance resolves, the downgrade is canceled; however, if an operational fault is confirmed before the deferral period concludes, or if the period runs out, one host is downgraded.
Career Highlights
Throughout his career, McCollum has made significant contributions to the technology sector. He has been associated with reputable companies such as Marathon Technologies Corporation and Stratus Technologies, Inc., where he has utilized his expertise to innovate and enhance product development.
Collaborations
In addition to his individual accomplishments, McCollum has collaborated with notable colleagues, including Thomas D Bissett and Glenn A Tremblay. Their collective efforts reflect a synergy that has fostered advancements in technology and computer systems.
Conclusion
James D McCollum exemplifies the spirit of innovation in the field of fault-tolerant computing. His patented inventions not only reflect his technical know-how but also his commitment to improving system reliability. As he continues to inspire future generations of inventors, his work remains a testament to the importance of resilience in technology.